Compilare: main.cpp: In function 'void sterge1(trie*, char*, int)': main.cpp:97:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i < strlen(cuvant) && nod->fii[cuvant[i] - 'a']) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void sterge2(char*)': main.cpp:108:29: warning: unused variable 'lungime_prefix' [-Wunused-variable] int n = strlen(cuvant), lungime_prefix; ^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:174:29: warning: unused variable 'stop' [-Wunused-variable] int stop = 0; ^~~~